I've just created a new community for users of Blender CAM which is a

I’ve just created a new community for users of Blender CAM which is a CAM enhancement to Bender. It is in active development and making great strides to make this a potential contender to professional CAM software in the future. Please join if you hope to learn more about Blender CAM or if you are an experienced user wanting to share your knowledge.

https://plus.google.com/communities/110984302136303563695